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Why Does My Cotton Keep Breaking on Sewing Machine?

Broken threads indicate that the sewing machine has stopped working properly. If the sewing machine has become disconnected, the following conditions can be checked:

Eight Things You Should Do if Your Sewing Machine Has Stopped Working

1. The Wrong Sewing Machine Threading Method Is

While the procedure for threading is different for every model, it is important to ensure that the needle is at the highest possible position and that the presser boot has been raised.

If the thread isn’t properly inserted, the stitches may become too taut or knotted when sewing. The thread must be removed from the body and re-thread according to your sewing machine’s instructions. 

The thread must pass through all the parts of the threading guide, then through the hook thread guide in the front of the bur. Finally, the needle must pass through the hole. The lower thread must be pulled upwards. Here is the threading method.

The needle thread must pass through the entire thread guide and thread lifter.

2. Burlap Wrapped With Thread

Burlap Wrapped With Thread

The needle can form a loop around it if you don’t pay attention while threading. This could cause the needle to become frayed during sewing. You must go through the needle hole front to back to the thread again. Make sure there aren’t any knots or loops.

The needle will break the thread if it is wrapped around the thread.

3. Too Tight Thread Tension

Too high thread tension can cause the thread to become stretched between the needle and the spool, which causes the thread body to become disconnected during sewing. To improve the situation, you can lower the tension. The lower the value, the lower the thread tension.

Thread breakage can be prevented by using the right thread tension when sewing.

4. The Needle Temperature Is Too High.

These thermoplastic threads can melt or crack if exposed to high temperatures. This can cause the threads of synthetic materials to deteriorate more. These problems can be prevented by using suture grease.

Some man-made fibers can melt or crack if the needle is too hot.

5. The Suture Is Too Thick About the Bur

Use a larger needle if you have to use thicker thread. If the suture becomes too thick, it won’t fit through the tiny needle hole. This creates friction between the thread’s pinhole and the thread, eventually leading to the thread being broken.

If the thread is too thick or too small, friction can cause the thread to become brittle.

6. The Bur Was Not Correctly Installed

The thread can easily break if the needle shaft is not removed after it is installed. The needle must be reinstalled. You should ensure that the needle shaft faces away from you and that the needle’s flat side is facing in your direction.

Installing the bur requires that the flat side of the needle body be oriented backward. This will ensure no room for the needle shaft to enter.

7. Suture Wrapped Around the Spool Post

The thread can break if wrapped around the thread spool’s post. To ensure that the suture is delivered smoothly, you will need to clean the thread from the spool.

Clean the thread section of the spool after the thread is wrapped around the post.

8. Broken Needles

Broken Needles

It is impossible to thread a damaged needle properly. These needles can cause too much friction to the thread and break it. You should immediately replace the needle if it is damaged.

Master Tips to Avoid Breaking

Tip 1. Needless

Make sure your needle is not damaged or bent. (Sewing machine needle sizes). Make sure it’s the right type for the fabric you are sewing. For woven fabrics, you should pair them with universal needles. Stretch fabric requires stretch needles. You can also find specialty needles such as topstitching, leather, and denim.

Tip 2: Bobbin


Be aware of any threads that might be wrapped around the bobbin case’s spool. If your sewing machine thread is constantly breaking, you should check for lint and fluff. How to clean a sewing machine. Double-check your bobbin and casing. If it is caught, you will notice a decrease in tension.

Bobbins should be wound tightly and evenly. Even if the bobbin looks fine, you should replace it. It is best to use the same thread type as the top spool. If you have to use a contrasting bobbin, make sure it is of the same brand. How to Wind a Bobbin?

Tip 3: Re-Threading

Make sure you have properly threaded the machine. A general rule of thumb is to re-thread your machine even if everything appears fine on the top and bobbin threads. Although it may seem like a waste, this can solve many mechanical problems.

How to thread a sewing machine? When your computer behaves strangely, it is almost like restarting it. Always re-thread your top spool and bobbin if necessary.

Tip 4: Thread Quality

Do you have a good-quality thread? If your sewing machine thread is constantly breaking, it’s worth investing in top-quality thread.

This is especially true if you use Lycra and Spandex. (Types of sewing thread). You should choose the right type of thread for your fabric.

Tip 5: Thread Snagger

Did you find any knots or snags that could cause breakage? Knots can cause one-off breaks. Your thread may be causing more damage than usual.

Tip 6: Clean the Throat Plate

Clean the Throat Plate

Clean out fluff by lifting the throat plate (the metal covering over the bobbin). Check your manual to see if any other parts need gentle cleaning.

Tip 7: Throat Plate Condition

You should ensure that there aren’t any nicks or scratches on the plate that could affect performance. There is always a chance that a needle could break, which can cause tension problems and thread breakage. They are usually easy to replace, and a skilled sewing machine mechanic should have the ability to remove any minor nicks.

Tip 8: Do Not Pull

When you are drawing out the thread, make sure to keep it in the up position. Then pull the thread backward before cutting. Maybe you’re pulling too hard.

Tip 9: Tension

Double-check that the tension is correct for your task and the fabric. It can take some patience to check the tension. However, you can get a piece of fabric that is identical to your garment and make small adjustments until it works. (Sewing machine tension).

Some front-loading Bobbins come with a tension adjustment screw that can be adjusted on the bobbin case. Your test fabric should have even and neat upper and lower stitches.

Time-saving tip: If you use the same fabric frequently, you can write the tension on a scrap of fabric to save time.

Tip 10: Pool Cap

Make sure you have put on the spool cap. This is a small plastic disk you place on top of your top spool to prevent it from flying away when you sew.

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